When was the Seismograph invented?
The Seismograph was invented in 132 by Zhang Heng in China.
A device that detects and records the intensity and direction of earthquakes.
| Year invented | 132 |
|---|---|
| Inventor | Zhang Heng |
| Country | China |
| Region at the time | Han Dynasty |
| Category | Science |
Who invented the Seismograph?
Zhang Heng invented the Seismograph in 132 in China.
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